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August 16, 2007


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I had always been suspicious of the answer "it depends" when it comes to usability, but now you've made me a believer.

I know what you're saying but I don't like the example. A tap in a public toilet might as well be compared with the tap in a beday (how do you spell that?).

This tap is a good example of usable design. To me talking about washing dishes is irrelevant. It isn't designed for that. It resembles something that is designed for washing dishes but that's not what it's for.

In this example you're right, it does depend. But this can be clarified by simply saying "It depends on the context of use". I guess it's no mistake that this appears in the ISO definition of usability.

"Extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of use."

Sorry for rambling on.

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